| ID | Name | Tags | Submitters | % Correct | Average |
|---|---|---|---|---|---|
| rekpion | Reklama pionowa | 2 | 50% | 85 | |
| rem | Remont | oi 26 e3 d1 | 340 | 64% | 74 |
| rem | Removing Digits | 29 | 96% | 96 | |
| ren | Zadanie Renowacja dróg [A] | pa 2012 r4 a | 8 | 75% | 76 |
| rep | Reprezentacje różnicowe | oi 24 e1 | 159 | 82% | 88 |
| rep | Reprezentanci firmy | oi ioi-elem d1 27 | 103 | 94% | 95 |
| replace_p | G. Replace With Product | 5 | 80% | 80 | |
| res | Zadanie Restauracje | pa 2001 r3 | 81 | 83% | 92 |
| res | Reszty | 67 | 82% | 91 | |
| res | Reszta | Very easy | 359 | 79% | 85 |
| res | Reszta | 61 | 80% | 82 | |
| ret | Retransmisja | 12 | 66% | 72 | |
| ret | Zadanie Retransmisja | ontak 2012 | 8 | 62% | 66 |
| rew | Rewolucja | 25 | 76% | 83 | |
| rew | Zwykły Sklep | 68 | 86% | 89 | |
| rez | Task Lecture Halls Reservation | oi 4 e3 d2 | 533 | 85% | 92 |
| rez | Task Lecture Halls Reservation | 56 | 89% | 96 | |
| river | river | 2 | 100% | 100 | |
| rkk | Rosnące kopce kreta | 52 | 76% | 78 | |
| rl2 | Rozsypane literki 2 | 42 | 92% | 96 |